ALARMS & SAFETY FUNCTIONS

Table 4. Alarm and safety function

Alarm & safety

 

Situation

Indication

Buzzer

Safety operation

Filter check

When the condenser filter

Filter check lamp blinks.

Intermittent

-----

is clogged.

Tone.

 

 

 

 

 

 

 

 

 

When there is no key

Chamber temp. is

 

Finishing of each

Auto-return

pressing in each setting

-----

displayed.

setting mode.

 

mode for 90 seconds.

 

 

 

 

 

 

If the thermal sensor is

Alarm lamp blinks.

 

 

 

E01 and 50oC is

 

Remote alarm

 

disconnected.

displayed alternately.

Intermittent

 

 

 

Continuous

 

 

 

Alarm lamp blinks.

tone

 

If the thermal sensor is

operation

 

E02 and -170oC are

 

 

 

 

 

shirt-circuited.

displayed alternately.

 

 

 

 

 

 

 

 

If the cascade sensor is

Alarm lamp blinks.

 

 

 

E03 and chamber temp.

 

 

 

disconnected.

 

 

 

are displayed alternately.

Intermittent

 

 

 

 

Remote alarm

 

If the cascade sensor is

Alarm lamp blinks.

tone

 

 

 

E04 and chamber temp.

 

 

 

shirt-circuited.

 

 

Sensor

are displayed alternately.

 

 

 

 

 

 

abnormality

If the filter sensor is

Alarm lamp blinks.

 

 

 

E05 and chamber temp.

 

 

 

disconnected.

 

 

 

are displayed alternately.

Intermittent

 

 

 

 

Remote alarm

 

If the filter sensor is

Alarm lamp blinks.

tone

 

 

 

E06 and chamber temp.

 

 

 

short-circuited.

 

 

 

are displayed alternately.

 

 

 

 

 

 

 

 

If

the ambient temperature

Alarm lamp blinks.

 

 

 

E07 and chamber temp.

 

 

 

sensor is disconnected.

are displayed alternately.

Intermittent

 

 

 

 

Remote alarm

 

If

the ambient temperature

Alarm lamp blinks.

tone

 

 

 

sensor is short-circuited.

E08 and chamber temp.

 

 

 

are displayed alternately.

 

 

 

 

 

 

 

 

In the event of failure of fan

 

 

Remote alarm.

Condenser temp.

E10 and chamber temp.

Intermittent

Compressor of

motor for cooling the

abnormality

are displayed alternately.

tone

high stage side

compressor

 

 

 

stops.

 

 

 

 

 

Battery life

About 3 years after turning

F1 and chamber temp.

-----

-----

on the power switch.

are displayed alternately.

 

 

 

Filter life

About 6 years after turning

F2 and chamber temp.

-----

-----

on the power switch.

are displayed alternately.

 

 

 

Note

The filter check lamp sometimes blinks at the start-up under high ambient temperature. The lamp is off when the chamber temperature is getting lower.

The error alarm explanation of the thermal sensor (in the chamber).

 

 

Indicated value

Contents of a trouble

 

 

 

 

 

RED

BLACK

WHITE

E01

When sensor lead wire (red) opened.

 

 

 

 

When sensor lead wire (red)

 

 

 

E02

short-circuited.

 

 

 

When sensor lead wire (white) or

 

 

 

 

 

 

 

 

(black) opened.

 

 

 

17

 

44

 

Page 18
Image 18
Sanyo MDF-594C instruction manual RED Black White

MDF-594C specifications

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